code: def setUpClass(self):
      # Since loading the Transformers takes a lot of time, we do it only once as reusable class members.
      # When using these algos, Essentia complains that other networks (e.g., MonoLoader's network) were
      # destroyed in the meantime. These warnings are not relevant for the tests and difficult readability,
      # so we disable them temporally.
  
      essentia.log.warningActive = False
  
      self.graphFilename30s = join(
          testdata.models_dir, "maest", "discogs-maest-30s-pw-1.pb"
      )
      self.graphFilename10s = join(
          testdata.models_dir, "maest", "discogs-maest-10s-pw-1.pb"
      )
  
      self.model30s = TensorflowPredictMAEST(
          graphFilename=self.graphFilename30s
      )
      self.model10s = TensorflowPredictMAEST(
          graphFilename=self.graphFilename10s
      )
  
file_path: essentia/test/src/unittests/machinelearning/test_tensorflowpredictmaest.py
imports: from essentia_test import *
label_desc: Use image node_id 1 for calling the TestTensorFlowPredictMAEST obj's underlying member method code with example usage: obj.setUpClass() without return types